patch 9.1.0320: Wrong cursor position after using setcellwidths()

Problem:  Wrong cursor position after using setcellwidths().
Solution: Invalidate cursor position in addition to redrawing.
          (zeertzjq)

closes: #14545

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/proto/move.pro b/src/proto/move.pro
index ec88b9b..1302c29 100644
--- a/src/proto/move.pro
+++ b/src/proto/move.pro
@@ -9,6 +9,7 @@
 void changed_window_setting(void);
 void changed_window_setting_win(win_T *wp);
 void changed_window_setting_buf(buf_T *buf);
+void changed_window_setting_all(void);
 void set_topline(win_T *wp, linenr_T lnum);
 void changed_cline_bef_curs(void);
 void changed_cline_bef_curs_win(win_T *wp);